Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Comparing the UPDRS finger-tapping ratings and HY ratings for Parkinson’s disease. Difference plotted versus mean, where and . The solid horizontal lines indicate the 95% confidence limits. The dashed lines indicate the mean difference: positive for group i and negative for group ii.
